| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 03/09/2004 | US6704397 Filter arrangement |
| 03/09/2004 | US6704377 Method of correcting frequency errors for coherently demodulated wireless communication systems |
| 03/09/2004 | US6704375 Device for the homodyne reception of optically phase-keyed signals |
| 03/09/2004 | US6704374 Local oscillator frequency correction in an orthogonal frequency division multiplexing system |
| 03/09/2004 | US6704372 Digital implementation of multi-channel demodulators |
| 03/09/2004 | US6704368 Coding and modulation method and apparatus for its implementation |
| 03/09/2004 | US6704367 Optimal discrete loading algorithm for DMT modulation |
| 03/09/2004 | US6704366 Time and frequency interleaving system for transmitting digital data between fixed or mobile stations |
| 03/09/2004 | US6704354 Method and apparatus of providing adaptive equalization using sign permutation filtering |
| 03/09/2004 | US6704353 Method and apparatus for tracking the magnitude of channel induced distortion to a transmitted signal |
| 03/09/2004 | US6704344 Broad-brand MPSK spread spectrum communications receiver with carrier recovery and tracking using correlation techniques |
| 03/09/2004 | US6704317 Multi-carrier LAN modem server |
| 03/09/2004 | US6703896 Method and demodulator for FSK demodulation, and receiver including such a demodulator device |
| 03/04/2004 | WO2004019580A1 Demodulation of a cpfsk signal by a calculation of the passes through zero and a viterbi algorithm |
| 03/04/2004 | WO2004019577A1 Communication receiver with virtual parallel equalizers |
| 03/04/2004 | WO2004019541A1 Method and apparatus for generating a 64 state 4-d trellis code in dmt |
| 03/04/2004 | WO2004019538A2 Syncrhonization techniques for a wireless system |
| 03/04/2004 | WO2004019537A2 Multiple access wireless communications system using a multisector configuration |
| 03/04/2004 | WO2004019529A2 Beacon signaling in a wireless system |
| 03/04/2004 | WO2004017911A2 Protease inhibitors |
| 03/04/2004 | WO2003073661A3 3g radio |
| 03/04/2004 | WO2003034642B1 Synchronisation in multicarrier cdma systems |
| 03/04/2004 | WO2002091697A3 Demodulation of psk signals |
| 03/04/2004 | WO2001089092A9 Apparatus for radio frequency processing with dual modulus synthesizer |
| 03/04/2004 | US20040044942 Method for seamlessly changing power modes in an ADSL system |
| 03/04/2004 | US20040043748 Receiver and a signal processing circuit therefor |
| 03/04/2004 | US20040043730 Switchable receiver with reduced amount of audible distortions |
| 03/04/2004 | US20040042715 Handling information in a noisy environment |
| 03/04/2004 | US20040042570 Adaptive phase and gain imbalance cancellation |
| 03/04/2004 | US20040042565 Maximum likelihood a posteriori probability detector |
| 03/04/2004 | US20040042564 Signal frequency splitter and frequency shift key decoding apparatus using the same |
| 03/04/2004 | US20040042563 Alias sampling for IF-to-baseband conversion in a GPS receiver |
| 03/04/2004 | US20040042559 Method for scaling peak power amplitudes in a signal and corresponding transmitter |
| 03/04/2004 | US20040042439 Beam-steering and beam-forming for wideband MIMO/MISO systems |
| 03/04/2004 | US20040042391 Data transmission method and data transmission device |
| 03/04/2004 | US20040042387 Communication system with multicarrier telephony transport |
| 03/04/2004 | US20040042385 Preamble design for frequency offset estimation and channel equalization in burst OFDM transmission system |
| 03/04/2004 | US20040041644 Quadrature modulator with pulse-shaping |
| 03/04/2004 | US20040041638 Digital modulation synthesizer |
| 03/04/2004 | DE10251459A1 Verfahren zum Regeln des Eingangssignals eines Kontaktlos-Transponders A method of controlling the input signal of a contactless transponder |
| 03/04/2004 | DE10238711A1 Verfahren und Vorrichtung zum Erzeugen und diskontinuierlichen Senden einer Grundschwingung in einer vorbestimmten Trägerfrequenz Method and apparatus for producing discontinuous and sending a fundamental wave in a predetermined carrier frequency |
| 03/04/2004 | DE10237867A1 Demodulation eines frequenzmodulierten Empfangssignals mittels eines Viterbi-Algorithmus Demodulating a frequency-modulated reception signal using a Viterbi algorithm |
| 03/04/2004 | CA2833510A1 Methods for transmitting a waveform having a controllable attenuation and propagation velocity |
| 03/04/2004 | CA2536261A1 Multiple access wireless communications system using a multisector configuration |
| 03/04/2004 | CA2536218A1 Synchronization techniques for a wireless system |
| 03/04/2004 | CA2536217A1 Beacon signaling in a wireless system |
| 03/04/2004 | CA2495986A1 Communication receiver with virtual parallel equalizers |
| 03/03/2004 | EP1395013A1 Data transmission method and device for power line carrier communication |
| 03/03/2004 | EP1395012A1 Modulation and demodulation of a combination of analog and digital signals |
| 03/03/2004 | EP1395011A1 Apparatus to form a base station digital transmitted signal |
| 03/03/2004 | EP1395010A1 Optical frequency shift keying method |
| 03/03/2004 | EP1394978A1 A maximum likelihood a posteriori probability detector |
| 03/03/2004 | EP1394968A2 Optical transmission system |
| 03/03/2004 | EP1394960A1 Automatic gain control system for a multi-user ofdm digital transmission system using the electric grid |
| 03/03/2004 | EP1394931A2 Method and device for producing and sending discontinuoulsy a fundamental frequency in a predetermined carrier frequency |
| 03/03/2004 | EP1393516A2 Frequency sarcher and frequency-looked data demodulator using a programmable rotator |
| 03/03/2004 | EP1393515A1 Narrow band chaotic frequency shift keying |
| 03/03/2004 | EP1393477A1 Signal generator with frequency offset unit in the base band |
| 03/03/2004 | EP1393455A2 Quadrature alignment in communications receivers |
| 03/03/2004 | EP1393403A2 Tunable phase shifter and applications for same |
| 03/03/2004 | EP1290783B1 Digital modulation synthesizer |
| 03/03/2004 | CN1479983A Method and device for turbo space-time trellis coding |
| 03/03/2004 | CN1479974A 数据解码方法 Data decoding method |
| 03/03/2004 | CN1479968A Process and device for detecting and processing signal waves |
| 03/03/2004 | CN1479523A Matched pulse shaping filter |
| 03/03/2004 | CN1140982C Digital constant-ampletude modulator based on frequency modulation mode |
| 03/02/2004 | US6701163 Base station apparatus and method for suppressing peak electric power |
| 03/02/2004 | US6701135 Power control in a multi-carrier radio transmitter |
| 03/02/2004 | US6701129 Receiver based adaptive modulation scheme |
| 03/02/2004 | US6701128 Transmission system |
| 03/02/2004 | US6700941 Digital demodulation apparatus |
| 03/02/2004 | US6700940 Carrier reproduction circuit |
| 03/02/2004 | US6700939 Ultra wide bandwidth spread-spectrum communications system |
| 03/02/2004 | US6700937 Iterative decoding |
| 03/02/2004 | US6700936 Many-carrier transmission system and a receiver therefor |
| 03/02/2004 | US6700928 Tetrahedron modem |
| 03/02/2004 | US6700927 Method for establishing and adapting communication link parameters in XDSL transmission systems |
| 03/02/2004 | US6700924 Spread-spectrum data transmission apparatus comprising a data receiver |
| 03/02/2004 | US6700866 Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system |
| 03/02/2004 | US6700514 Feed-forward DC-offset canceller for direct conversion receiver |
| 03/02/2004 | US6700453 Amplitude imbalance compensation of quadrature modulator |
| 03/02/2004 | US6700449 Saw oscillation circuit |
| 02/26/2004 | WO2004017590A1 Fpga implementation of a digital qam modulator |
| 02/26/2004 | WO2004017589A1 Circuit and method for dynamically modifiable signal processor |
| 02/26/2004 | WO2004017588A1 Wireless receiver for sorting packets using correlators |
| 02/26/2004 | WO2004017587A1 Reception arrangement for a radio signal |
| 02/26/2004 | WO2004017554A1 Selection between two different coding schemes and corresponding modulation shemes according to the allowable transmission delay of the data |
| 02/26/2004 | WO2004017547A2 Multi-band ultra-wide band communication method and system |
| 02/26/2004 | WO2004017529A2 Method and system for maximizing data throughput rate in a power line communications system by modifying payload symbol length |
| 02/26/2004 | WO2003090441A3 Channel aquisition processing for a television receiver |
| 02/26/2004 | WO2003079751A3 Slicing algorithm for multi-level modulation equalizing schemes |
| 02/26/2004 | WO2003055097A3 Method and base station for providing phase-shift transmit diversity |
| 02/26/2004 | WO2003050653A3 System and method for increasing data capacity in communication systems |
| 02/26/2004 | WO2003049397A3 Iterative detection and decoding for a mimo-ofdm system |
| 02/26/2004 | WO2003003685A3 Constant amplitude modulation for dsl |
| 02/26/2004 | US20040038717 Transaction control system including portable data terminal and mobile customer service station |
| 02/26/2004 | US20040038657 High speed digital received signal strength indicator circuit |
| 02/26/2004 | US20040038654 Method and apparatus for generating a 64 state 4-D trellis code in DMT |
| 02/26/2004 | US20040038653 Radio telecommunications system operative by interactive determination of soft estimates, and a corresponding method |
| 02/26/2004 | US20040038651 Diversity receiver and orthogonal frequency division multiplexed signal receiving method |